package com.itheima.service;

import com.itheima.pojo.Member;

import java.util.List;

public interface MemberService {

    void add(Member member);

    void edit(Member member);

    List<Member> findAll();

    Member findById(Integer id);

    void del(Integer id);

    List<Integer> findMemberCountByMonth(List<String> list);

    Member findByTelephone(String telephone);

    void logout(String telephone);
}
